Question

Use the image to answer the question:
8 is pointing to 2, 7 is pointing to 3, 6 is pointing to 2, 5 is pointing to 2

8 -1

7 3

6

5 2


(1 point)

O This is a function.

This is not a function.

Give the domain and range. (2 points)

Domain: { _ }

Range: { _ }

Use the table to answer the question:

x

0

1

2

3

y

-4

-2

0

2

Which of the following equations describes the function in the table using function notation?

(1 point)

f (x) = 2x - 4
f (x) =1/2x + 4
f (x) = 1/2x - 4
f (x) = 2x + 4

Answer 1

This is a function.

Domain: {8, 7, 6, 5}
Range: {2, 3}

For the table, the rule is f(x) = 2x - 4.